CKJ5 series of AC low voltage vacuum contactor is used in the circuit with frequency of 50Hz (or 60Hz), with rated voltage is up to 1140V and with rated current from 63A to 1600A, for long-distance making and breaking circuit and frequently start or control AC motors, and can also be equipped with the appropriate thermal overload relay for the purpose of protecting potential overload circuit.
Main Technical Parameters:
CKJ5-800,1000,1250,1600A
Model |
CKJ5-800 |
CKJ5-1000 |
CKJ5-1250 |
CKJ5-1600 |
Rated Voltage (Main Circuit) (V) |
1140 |
1140 |
1140 |
1140 |
Rated Current (Main Circuit) (A) |
800 |
1000 |
1250 |
1600 |
Making Capacity (Main Circuit) (A/10 Times) |
5000 |
5000 |
5000 |
5000 |
Making-Breaking Capacity (Main Circuit) (A/10 Times) |
4000 |
4000 |
4500 |
4500 |
Ultimate Breaking Capacityy (A/3 Times) |
5000 |
5000 |
5000 |
5000 |
Electricity Life for AC3(10000 times) |
60 |
Electricity Life for AC4 (10000 times) |
6 |
Mechanical Life (Milion 10000 Times) |
300 |
Rated Operating Frequency for AC3 (Times Per Hour) |
600 |
Rated Operating Frequency for AC4 (Times Per Hour) |
120 |
Short Time Operating Frequency (Times Per Hour, 20s) |
2000 |
Teminate Pressure (N) |
300_+25N |
Clearance Between Open Contacts (mm) |
≥2.8 |
Overtravel (mm) |
≥1 |
CKJ5-63
Model |
Rated Voltage (V) |
Rated Current (A) (Main Circuit) |
Parameters of Main Contact |
Power Frequency Voltage (V)
(Effective Value) |
Main Circuit |
Control Circuit |
Contact Distance (mm) |
Overtravel (mm) |
Terminate Pressure (N) |
Main Circuit |
Auxiliary Circuit |
Control Circuit |
CKJ5-63A |
1140 |
36, 110, 220, 380 |
63 |
1.6±0.2 |
>0.8 |
30±5 |
4200 |
2500 |
2000 |
Model |
Making Capacity |
Breaking Capacity |
Ultimate Breaking Current (A) |
Electricity Life (10000 Times) |
Mechanical Life (10000 Times) |
Weight (KG) |
AC-3 |
AC-4 |
CKJ5-63 |
10Ie, 100 times |
6Ie, 25 times |
2000A, 3 times |
60 |
6 |
300×104 |
1.7 |
Remark: Ie means rated current for main circuit
CKJ5-80, CKJ5-125, CKJ5-160
Model |
Rated Voltage (V) |
Rated Current (A) (Main Circuit) |
Parameters of Main Contact |
Power Frequency Voltage (V) (Effective Value) |
Main Circuit |
Control Circuit |
Contact Distance (mm) |
Overtravel (mm) |
Terminate Pressure (N) |
Main Circuit |
Auxiliary Circuit |
Control Circuit |
CKJ5-80 |
1140 |
36, 110, 220, 380 |
80 |
1.8±0.2 |
1±0.2 |
30±3 |
4200 |
2500 |
2000 |
CKJ5-125 |
1140 |
36, 110, 220, 380 |
125 |
1.8±0.2 |
1±0.2 |
30±3 |
4200 |
2500 |
2000 |
CKJ5-160 |
1140 |
36, 110, 220, 380 |
160 |
1.8±0.2 |
1±0.2 |
30±3 |
4200 |
2500 |
2000 |
Model |
Making Capacity |
Breaking Capacity |
Ultimate Breaking Current (A) |
Electricity Life
(10000 Times) |
Mechanical Life
(10000 Times) |
Weight
(KG) |
AC-3 |
AC-4 |
CKJ5-80 |
10Ie, 100 times |
8Ie, 25 times |
2000A, 3 times |
60 |
6 |
300 |
4 |
CKJ5-125 |
10Ie, 100 times |
8Ie, 25 times |
2000A, 3 times |
60 |
6 |
300 |
4 |
CKJ5-160 |
10Ie, 100 times |
8Ie, 25 times |
2000A, 3 times |
60 |
6 |
300 |
4 |
CKJ5-250A
Model |
Rated Voltage (V) |
Rated Current (A) (Main Circuit) |
Parameters of Main Contact |
Power Frequency Voltage (V) (Effective Value) |
Main Circuit |
Control Circuit |
Contact Distance (mm) |
Overtravel (mm) |
Terminate Pressure (N) |
Main Circuit |
Auxiliary Circuit |
Control Circuit |
CKJ5-250 |
1140 |
36, 110, 220, 380 |
250 |
2±0.2 |
1±0.2 |
78±7.8 |
4200 |
2500 |
2000 |
Model |
Making Capacity |
Breaking capacity |
Ultimate Breaking Current (A) |
Electricity Life (10000 Times) |
Mechanical Life (10000 Times) |
Weight (KG) |
AC-3 |
AC-4 |
CKJ5-250 |
10Ie, 100 times |
6Ie, 25 times |
4500A, 3 times |
60 |
6 |
300 |
8 |
CKJ5-400A
Model |
Rated Voltage (V) |
Rated Current (A)
(Main Circuit) |
Parameters of Main Contact |
Power Frequency Voltage (V)
(Effective Value) |
Main Circuit |
Control Circuit |
Contact Distance (mm) |
Overtravel (mm) |
Terminate Pressure (N) |
Main Circuit |
Auxiliary Circuit |
Control Circuit |
CKJ5-400 |
1140 |
36, 110, 220, 380 |
400 |
2±0.2 |
1±0.2 |
117.6±7.8 |
4200 |
2500 |
2000 |
Model |
Making Capacity |
Breaking Capacity |
Ultimate Breaking Current (A) |
Electricity Life (10000 Times) |
Mechanical Life (10000 Times) |
Weight (KG) |
AC-3 |
AC-4 |
CKJ5-400 |
10Ie, 100 times |
8Ie, 25 times |
4500A, 3 times |
60 |
2 |
300 |
12 |
CKJ5-630,800,1000A
Model |
Rated Voltage (V) |
Rated Current (A) (Main Circuit) |
Parameters of Main Contact |
Power Frequency Voltage (V) (Effective Value) |
Main Circuit |
Control Circuit |
Contact Distance (mm) |
Overtravel (mm) |
Terminate Pressure (N) |
Main Circuit |
Auxiliary Circuit |
Control Circuit |
CKJ5-630 |
1140 |
36, 110, 220, 380 |
630 |
2±0.2 |
1±0.2 |
196±19.6 |
4200 |
2500 |
2000 |
CKJ5-800 |
1140 |
36, 110, 220, 380 |
800 |
2±0.2 |
1±0.2 |
196±19.6 |
4200 |
2500 |
2000 |
CKJ5-1000 |
1140 |
36, 110, 220, 380 |
1000 |
2±0.2 |
1±0.2 |
196±19.6 |
4200 |
2500 |
2000 |
Model |
Making Capacity |
Breaking Capacity |
Ultimate Breaking Current (A) |
Electricity Life (10000 Times) |
Mechanical Life (10000 Times) |
Weight (KG) |
AC-3 |
AC-4 |
CKJ5-630 |
10Ie, 100 times |
8Ie, 25 times |
6000A, 3 times |
60 |
0.5 |
300 |
20 |
CKJ5-800 |
10Ie, 100 times |
8Ie, 25 times |
6000A, 3 times |
60 |
0.5 |
300 |
20 |
CKJ5-1000 |
10Ie, 100 times |
8Ie, 25 times |
6000A, 3 times |
60 |
0.5 |
300 |
20 |
Detailed Photos